Tappet
Videos
A tappet or valve lifter is a valve train component which converts rotational motion into linear motion in activating a valve. It is most commonly found in internal combustion engines, where it conver
Beam engine with tappet block on the vertical plug rod. The tappet block acts on the curved horn beneath it
Hydraulic tappets (along with rockers, valves and cylinder head) for a 1980-1985 Ford CVH engine
Diagram of a sidevalve engine
DOHC engine with a bucket tappet
Flathead engine
Videos
A flathead engine, also known as a sidevalve engine or valve-in-block engine, is an internal combustion engine with its poppet valves contained within the engine block, instead of in the cylinder head
A crossflow T-head sidevalve engine
1915 Cadillac flathead engine block
Harley-Davidson flathead
BMW R12